50 POINTS!!! WILL MARK BRAINLIEST!!!solve numbers 16 and 18 show work please
1 answer:
Answer:
Step-by-step explanation:
16)
∠QPR = 1/2(QR + SV)
- 26x - 2 = 1/2(131 + 18x + 1)
- 26x - 2 = 66 + 9x
- 26x - 9x = 66 + 2
- 17x = 68
- x = 68/17
- x = 4
∠QPR = 26*4 - 2 = 102°
18)
mBC = ?
∠BAC = 1/2(mBC + mFD)
- 8x + 6 = 1/2(8x + 11 + 9x - 7)
- 8x + 6 = 1/2(17x + 4)
- 16x + 12 = 17x + 4
- 17x - 16x = 12 - 4
- x = 8
mBC = 8*8 + 11 = 75°
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